import 'package:flutter/material.dart';

class IconPage extends StatelessWidget{
  @override
  Widget build(BuildContext context) {
   return new MaterialApp(
     home: Scaffold(
       appBar: new AppBar(
         title: Text('icon展示'),
       ),
       // body: new Icon(Icons.phone,color: Colors.red,size: 90,),
       body: new Center(
       //   child: new IconButton(onPressed:(){
       //     print('按下操作222');
       //   } ,
       //       tooltip: '按下操作',
       //       icon: Icon(Icons.volume_up,size: 48,)),
         
         child: new RaisedButton(
           onPressed: (){ print('按下操作333');},
           child: new Text('RaisedButton组件'),
         ),
       ),
     ),
   );
  }

}
